Home / 22,753.14-31,397.13-13,681.14

Finding the Fourth Proportional to 22,753.14, 31,397.13 and 13,681.14

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Solution

The fourth proportional to 22,753.14, 31,397.13 and 13,681.14 is: 18,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,753.14 : 31,397.13 = 13,681.14 : x
  2. Step 2: Convert to fraction form
    22,753.14/31,397.13 = 13,681.14/x
  3. Step 3: Cross multiply
    22,753.14x = 31,397.13 × 13,681.14
  4. Step 4: Simplify right side
    22,753.14x = 429,548,531.13
  5. Step 5: Solve for x
    x = 429,548,531.13/22,753.14
  6. Step 6: Final answer
    x = 18,878.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.